context = $context;
}
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setName('wtf')
->setAliases(array('last-exception', 'wtf?'))
->setDefinition(array(
new InputArgument('incredulity', InputArgument::OPTIONAL | InputArgument::IS_ARRAY, 'Number of lines to show'),
new InputOption('verbose', 'v', InputOption::VALUE_NONE, 'Show entire backtrace.'),
))
->setDescription('Show the backtrace of the most recent exception.')
->setHelp(
<<<'HELP'
Shows a few lines of the backtrace of the most recent exception.
If you want to see more lines, add more question marks or exclamation marks:
e.g.
>>> wtf ?
>>> wtf ?!???!?!?
To see the entire backtrace, pass the -v/--verbose flag:
e.g.
>>> wtf -v
HELP
);
}
/**
* {@inheritdoc}
*
* --verbose is not hidden for this option :)
*
* @return array
*/
protected function getHiddenOptions()
{
$options = parent::getHiddenOptions();
unset($options[array_search('verbose', $options)]);
return $options;
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$incredulity = implode('', $input->getArgument('incredulity'));
if (strlen(preg_replace('/[\\?!]/', '', $incredulity))) {
throw new \InvalidArgumentException('Incredulity must include only "?" and "!".');
}
$exception = $this->context->getLastException();
$count = $input->getOption('verbose') ? PHP_INT_MAX : pow(2, max(0, (strlen($incredulity) - 1)));
$trace = $this->getBacktrace($exception, $count);
$shell = $this->getApplication();
$output->page(function ($output) use ($exception, $trace, $shell) {
$shell->renderException($exception, $output);
$output->writeln('--');
$output->write($trace, true, ShellOutput::NUMBER_LINES);
});
}
}